Displacement preconditioner for Toeplitz least squares iterations
type: Item
instance of: scholarly article
title: Displacement preconditioner for Toeplitz least squares iterations
zbMATH Open document ID: 0809.65038
author: James G. Nagy
author: Robert J. Plemmons
author: Raymond H. Chan
publication date: 1995-02-12T00:00:00Z
full work available at URL: https://eudml.org/doc/118545
full work available at URL: vol.2.1994
Mathematics Subject Classification ID: 65F20
Mathematics Subject Classification ID: 65F10
Mathematics Subject Classification ID: 65F35
zbMATH DE Number: 721233
zbMATH Keywords: preconditioned conjugate gradient method
zbMATH Keywords: least squares problems
zbMATH Keywords: circulant preconditioner
zbMATH Keywords: displacement representation
zbMATH Keywords: fast Fourier transform
zbMATH Keywords: Toeplitz matrices
zbMATH Keywords: condition number
zbMATH Keywords: complexity
zbMATH Keywords: algorithm
zbMATH Keywords: superlinear convergence
zbMATH Keywords: numerical examples
MaRDI profile type: Publication
published in: ETNA - Electronic Transactions on Numerical Analysis
description: scientific article; zbMATH DE number 721233